A gang of thieves has jeopardized the city and even the police, whose chief urges their forces to captured the band within 48 hours. Meanwhile, band members meet in a cafe run by a widow and her daughter and her suitor, Cantinflas, who maintains a scuffle with the robbers running all at the station. Since then, Cantinflas become a member of the police force for special missions.
Cantinflas
as Agente 777
Mapy Cortés
as La criollita
Daniel Herrera
as Comandante Bravo
Gloria Marín
as Amparo
Julio Villarreal
as Jefe de policía
Agustín Isunza
as Sargento
Carlos López Moctezuma
as Matias Luis Riquelme
Alfredo Varela
as Bermúdez
Luis G. Barreiro
as Empleado hotel
Consuelo Guerrero de Luna
as Doña Joaquinita
Carolina Barret
as Cabaretera
Amparo Arozamena
as Esposa de enfermo
